Moana Nature Cav & Flash Gel 3L A large-capacity professional gel for use with beauty devices such as cavitation, ultrasound, light hair removal, EMS, and fat freezing machines. It aims to enhance the conductivity of beauty devices and maximize their effects. By improving the glide of the device's probe, it reduces irritation caused by friction on the skin. "Soft type" is easy to use with moderate softness. Can also be used at home.